(function (factory) {
    "use strict";
    if (typeof define === 'function' && define.amd) {
        define(['jquery'], factory)
    } else {
        factory((typeof(jQuery) != 'undefined') ? jQuery : window.Zepto)
    }
}(function ($) {
    "use strict";
    var feature = {};
    feature.fileapi = $("<input type='file'/>").get(0).files !== undefined;
    feature.formdata = window.FormData !== undefined;
    var hasProp = !!$.fn.prop;
    $.fn.attr2 = function () {
        if (!hasProp) {
            return this.attr.apply(this, arguments)
        }
        var val = this.prop.apply(this, arguments);
        if ((val && val.jquery) || typeof val === 'string') {
            return val
        }
        return this.attr.apply(this, arguments)
    };
    $.fn.ajaxSubmit = function (options) {
        if (!this.length) {
            log('ajaxSubmit: skipping submit process - no element selected');
            return this
        }
        var method, action, url, $form = this;
        if (typeof options == 'function') {
            options = {
                success: options
            }
        } else if (options === undefined) {
            options = {}
        }
        method = options.type || this.attr2('method');
        action = options.url || this.attr2('action');
        url = (typeof action === 'string') ? $.trim(action) : '';
        url = url || window.location.href || '';
        if (url) {
            url = (url.match(/^([^#]+)/) || [])[1]
        }
        options = $.extend(true, {
            url: url,
            success: $.ajaxSettings.success,
            type: method || $.ajaxSettings.type,
            iframeSrc: /^https/i.test(window.location.href || '') ? 'javascript:false' : 'about:blank'
        }, options);
        var veto = {};
        this.trigger('form-pre-serialize', [this, options, veto]);
        if (veto.veto) {
            log('ajaxSubmit: submit vetoed via form-pre-serialize trigger');
            return this
        }
        if (options.beforeSerialize && options.beforeSerialize(this, options) === false) {
            log('ajaxSubmit: submit aborted via beforeSerialize callback');
            return this
        }
        var traditional = options.traditional;
        if (traditional === undefined) {
            traditional = $.ajaxSettings.traditional
        }
        var elements = [];
        var qx, a = this.formToArray(options.semantic, elements);
        if (options.data) {
            options.extraData = options.data;
            qx = $.param(options.data, traditional)
        }
        if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) {
            log('ajaxSubmit: submit aborted via beforeSubmit callback');
            return this
        }
        this.trigger('form-submit-validate', [a, this, options, veto]);
        if (veto.veto) {
            log('ajaxSubmit: submit vetoed via form-submit-validate trigger');
            return this
        }
        var q = $.param(a, traditional);
        if (qx) {
            q = (q ? (q + '&' + qx) : qx)
        }
        if (options.type.toUpperCase() == 'GET') {
            options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;
            options.data = null
        } else {
            options.data = q
        }
        var callbacks = [];
        if (options.resetForm) {
            callbacks.push(function () {
                $form.resetForm()
            })
        }
        if (options.clearForm) {
            callbacks.push(function () {
                $form.clearForm(options.includeHidden)
            })
        }
        if (!options.dataType && options.target) {
            var oldSuccess = options.success ||
                function () {
                };
            callbacks.push(function (data) {
                var fn = options.replaceTarget ? 'replaceWith' : 'html';
                $(options.target)[fn](data).each(oldSuccess, arguments)
            })
        } else if (options.success) {
            callbacks.push(options.success)
        }
        options.success = function (data, status, xhr) {
            var context = options.context || this;
            for (var i = 0, max = callbacks.length; i < max; i++) {
                callbacks[i].apply(context, [data, status, xhr || $form, $form])
            }
        };
        if (options.error) {
            var oldError = options.error;
            options.error = function (xhr, status, error) {
                var context = options.context || this;
                oldError.apply(context, [xhr, status, error, $form])
            }
        }
        if (options.complete) {
            var oldComplete = options.complete;
            options.complete = function (xhr, status) {
                var context = options.context || this;
                oldComplete.apply(context, [xhr, status, $form])
            }
        }
        var fileInputs = $('input[type=file]:enabled', this).filter(function () {
            return $(this).val() !== ''
        });
        var hasFileInputs = fileInputs.length > 0;
        var mp = 'multipart/form-data';
        var multipart = ($form.attr('enctype') == mp || $form.attr('encoding') == mp);
        var fileAPI = feature.fileapi && feature.formdata;
        log("fileAPI :" + fileAPI);
        var shouldUseFrame = (hasFileInputs || multipart) && !fileAPI;
        var jqxhr;
        if (options.iframe !== false && (options.iframe || shouldUseFrame)) {
            if (options.closeKeepAlive) {
                $.get(options.closeKeepAlive, function () {
                    jqxhr = fileUploadIframe(a)
                })
            } else {
                jqxhr = fileUploadIframe(a)
            }
        } else if ((hasFileInputs || multipart) && fileAPI) {
            jqxhr = fileUploadXhr(a)
        } else {
            jqxhr = $.ajax(options)
        }
        $form.removeData('jqxhr').data('jqxhr', jqxhr);
        for (var k = 0; k < elements.length; k++) {
            elements[k] = null
        }
        this.trigger('form-submit-notify', [this, options]);
        return this;

        function deepSerialize(extraData) {
            var serialized = $.param(extraData, options.traditional).split('&');
            var len = serialized.length;
            var result = [];
            var i, part;
            for (i = 0; i < len; i++) {
                serialized[i] = serialized[i].replace(/\+/g, ' ');
                part = serialized[i].split('=');
                result.push([decodeURIComponent(part[0]), decodeURIComponent(part[1])])
            }
            return result
        }

        function fileUploadXhr(a) {
            var formdata = new FormData();
            for (var i = 0; i < a.length; i++) {
                formdata.append(a[i].name, a[i].value)
            }
            if (options.extraData) {
                var serializedData = deepSerialize(options.extraData);
                for (i = 0; i < serializedData.length; i++) {
                    if (serializedData[i]) {
                        formdata.append(serializedData[i][0], serializedData[i][1])
                    }
                }
            }
            options.data = null;
            var s = $.extend(true, {}, $.ajaxSettings, options, {
                contentType: false,
                processData: false,
                cache: false,
                type: method || 'POST'
            });
            if (options.uploadProgress) {
                s.xhr = function () {
                    var xhr = $.ajaxSettings.xhr();
                    if (xhr.upload) {
                        xhr.upload.addEventListener('progress', function (event) {
                            var percent = 0;
                            var position = event.loaded || event.position;
                            var total = event.total;
                            if (event.lengthComputable) {
                                percent = Math.ceil(position / total * 100)
                            }
                            options.uploadProgress(event, position, total, percent)
                        }, false)
                    }
                    return xhr
                }
            }
            s.data = null;
            var beforeSend = s.beforeSend;
            s.beforeSend = function (xhr, o) {
                if (options.formData) {
                    o.data = options.formData
                } else {
                    o.data = formdata
                }
                if (beforeSend) {
                    beforeSend.call(this, xhr, o)
                }
            };
            return $.ajax(s)
        }

        function fileUploadIframe(a) {
            var form = $form[0],
                el, i, s, g, id, $io, io, xhr, sub, n, timedOut, timeoutHandle;
            var deferred = $.Deferred();
            deferred.abort = function (status) {
                xhr.abort(status)
            };
            if (a) {
                for (i = 0; i < elements.length; i++) {
                    el = $(elements[i]);
                    if (hasProp) {
                        el.prop('disabled', false)
                    } else {
                        el.removeAttr('disabled')
                    }
                }
            }
            s = $.extend(true, {}, $.ajaxSettings, options);
            s.context = s.context || s;
            id = 'jqFormIO' + (new Date().getTime());
            if (s.iframeTarget) {
                $io = $(s.iframeTarget);
                n = $io.attr2('name');
                if (!n) {
                    $io.attr2('name', id)
                } else {
                    id = n
                }
            } else {
                $io = $('<iframe name="' + id + '" src="' + s.iframeSrc + '" />');
                $io.css({
                    position: 'absolute',
                    top: '-1000px',
                    left: '-1000px'
                })
            }
            io = $io[0];
            xhr = {
                aborted: 0,
                responseText: null,
                responseXML: null,
                status: 0,
                statusText: 'n/a',
                getAllResponseHeaders: function () {
                },
                getResponseHeader: function () {
                },
                setRequestHeader: function () {
                },
                abort: function (status) {
                    var e = (status === 'timeout' ? 'timeout' : 'aborted');
                    log('aborting upload... ' + e);
                    this.aborted = 1;
                    try {
                        if (io.contentWindow.document.execCommand) {
                            io.contentWindow.document.execCommand('Stop')
                        }
                    } catch (ignore) {
                    }
                    $io.attr('src', s.iframeSrc);
                    xhr.error = e;
                    if (s.error) {
                        s.error.call(s.context, xhr, e, status)
                    }
                    if (g) {
                        $.event.trigger("ajaxError", [xhr, s, e])
                    }
                    if (s.complete) {
                        s.complete.call(s.context, xhr, e)
                    }
                }
            };
            g = s.global;
            if (g && 0 === $.active++) {
                $.event.trigger("ajaxStart")
            }
            if (g) {
                $.event.trigger("ajaxSend", [xhr, s])
            }
            if (s.beforeSend && s.beforeSend.call(s.context, xhr, s) === false) {
                if (s.global) {
                    $.active--
                }
                deferred.reject();
                return deferred
            }
            if (xhr.aborted) {
                deferred.reject();
                return deferred
            }
            sub = form.clk;
            if (sub) {
                n = sub.name;
                if (n && !sub.disabled) {
                    s.extraData = s.extraData || {};
                    s.extraData[n] = sub.value;
                    if (sub.type == "image") {
                        s.extraData[n + '.x'] = form.clk_x;
                        s.extraData[n + '.y'] = form.clk_y
                    }
                }
            }
            var CLIENT_TIMEOUT_ABORT = 1;
            var SERVER_ABORT = 2;

            function getDoc(frame) {
                var doc = null;
                try {
                    if (frame.contentWindow) {
                        doc = frame.contentWindow.document
                    }
                } catch (err) {
                    log('cannot get iframe.contentWindow document: ' + err)
                }
                if (doc) {
                    return doc
                }
                try {
                    doc = frame.contentDocument ? frame.contentDocument : frame.document
                } catch (err) {
                    log('cannot get iframe.contentDocument: ' + err);
                    doc = frame.document
                }
                return doc
            }

            var csrf_token = $('meta[name=csrf-token]').attr('content');
            var csrf_param = $('meta[name=csrf-param]').attr('content');
            if (csrf_param && csrf_token) {
                s.extraData = s.extraData || {};
                s.extraData[csrf_param] = csrf_token
            }
            function doSubmit() {
                var t = $form.attr2('target'),
                    a = $form.attr2('action'),
                    mp = 'multipart/form-data',
                    et = $form.attr('enctype') || $form.attr('encoding') || mp;
                form.setAttribute('target', id);
                if (!method || /post/i.test(method)) {
                    form.setAttribute('method', 'POST')
                }
                if (a != s.url) {
                    form.setAttribute('action', s.url)
                }
                if (!s.skipEncodingOverride && (!method || /post/i.test(method))) {
                    $form.attr({
                        encoding: 'multipart/form-data',
                        enctype: 'multipart/form-data'
                    })
                }
                if (s.timeout) {
                    timeoutHandle = setTimeout(function () {
                        timedOut = true;
                        cb(CLIENT_TIMEOUT_ABORT)
                    }, s.timeout)
                }
                function checkState() {
                    try {
                        var state = getDoc(io).readyState;
                        log('state = ' + state);
                        if (state && state.toLowerCase() == 'uninitialized') {
                            setTimeout(checkState, 50)
                        }
                    } catch (e) {
                        log('Server abort: ', e, ' (', e.name, ')');
                        cb(SERVER_ABORT);
                        if (timeoutHandle) {
                            clearTimeout(timeoutHandle)
                        }
                        timeoutHandle = undefined
                    }
                }

                var extraInputs = [];
                try {
                    if (s.extraData) {
                        for (var n in s.extraData) {
                            if (s.extraData.hasOwnProperty(n)) {
                                if ($.isPlainObject(s.extraData[n]) && s.extraData[n].hasOwnProperty('name') && s.extraData[n].hasOwnProperty('value')) {
                                    extraInputs.push($('<input type="hidden" name="' + s.extraData[n].name + '">').val(s.extraData[n].value).appendTo(form)[0])
                                } else {
                                    extraInputs.push($('<input type="hidden" name="' + n + '">').val(s.extraData[n]).appendTo(form)[0])
                                }
                            }
                        }
                    }
                    if (!s.iframeTarget) {
                        $io.appendTo('body')
                    }
                    if (io.attachEvent) {
                        io.attachEvent('onload', cb)
                    } else {
                        io.addEventListener('load', cb, false)
                    }
                    setTimeout(checkState, 15);
                    try {
                        form.submit()
                    } catch (err) {
                        var submitFn = document.createElement('form').submit;
                        submitFn.apply(form)
                    }
                } finally {
                    form.setAttribute('action', a);
                    form.setAttribute('enctype', et);
                    if (t) {
                        form.setAttribute('target', t)
                    } else {
                        $form.removeAttr('target')
                    }
                    $(extraInputs).remove()
                }
            }

            if (s.forceSync) {
                doSubmit()
            } else {
                setTimeout(doSubmit, 10)
            }
            var data, doc, domCheckCount = 50,
                callbackProcessed;

            function cb(e) {
                if (xhr.aborted || callbackProcessed) {
                    return
                }
                doc = getDoc(io);
                if (!doc) {
                    log('cannot access response document');
                    e = SERVER_ABORT
                }
                if (e === CLIENT_TIMEOUT_ABORT && xhr) {
                    xhr.abort('timeout');
                    deferred.reject(xhr, 'timeout');
                    return
                } else if (e == SERVER_ABORT && xhr) {
                    xhr.abort('server abort');
                    deferred.reject(xhr, 'error', 'server abort');
                    return
                }
                if (!doc || doc.location.href == s.iframeSrc) {
                    if (!timedOut) {
                        return
                    }
                }
                if (io.detachEvent) {
                    io.detachEvent('onload', cb)
                } else {
                    io.removeEventListener('load', cb, false)
                }
                var status = 'success',
                    errMsg;
                try {
                    if (timedOut) {
                        throw 'timeout';
                    }
                    var isXml = s.dataType == 'xml' || doc.XMLDocument || $.isXMLDoc(doc);
                    log('isXml=' + isXml);
                    if (!isXml && window.opera && (doc.body === null || !doc.body.innerHTML)) {
                        if (--domCheckCount) {
                            log('requeing onLoad callback, DOM not available');
                            setTimeout(cb, 250);
                            return
                        }
                    }
                    var docRoot = doc.body ? doc.body : doc.documentElement;
                    xhr.responseText = docRoot ? docRoot.innerHTML : null;
                    xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
                    if (isXml) {
                        s.dataType = 'xml'
                    }
                    xhr.getResponseHeader = function (header) {
                        var headers = {
                            'content-type': s.dataType
                        };
                        return headers[header.toLowerCase()]
                    };
                    if (docRoot) {
                        xhr.status = Number(docRoot.getAttribute('status')) || xhr.status;
                        xhr.statusText = docRoot.getAttribute('statusText') || xhr.statusText
                    }
                    var dt = (s.dataType || '').toLowerCase();
                    var scr = /(json|script|text)/.test(dt);
                    if (scr || s.textarea) {
                        var ta = doc.getElementsByTagName('textarea')[0];
                        if (ta) {
                            xhr.responseText = ta.value;
                            xhr.status = Number(ta.getAttribute('status')) || xhr.status;
                            xhr.statusText = ta.getAttribute('statusText') || xhr.statusText
                        } else if (scr) {
                            var pre = doc.getElementsByTagName('pre')[0];
                            var b = doc.getElementsByTagName('body')[0];
                            if (pre) {
                                xhr.responseText = pre.textContent ? pre.textContent : pre.innerText
                            } else if (b) {
                                xhr.responseText = b.textContent ? b.textContent : b.innerText
                            }
                        }
                    } else if (dt == 'xml' && !xhr.responseXML && xhr.responseText) {
                        xhr.responseXML = toXml(xhr.responseText)
                    }
                    try {
                        data = httpData(xhr, dt, s)
                    } catch (err) {
                        status = 'parsererror';
                        xhr.error = errMsg = (err || status)
                    }
                } catch (err) {
                    log('error caught: ', err);
                    status = 'error';
                    xhr.error = errMsg = (err || status)
                }
                if (xhr.aborted) {
                    log('upload aborted');
                    status = null
                }
                if (xhr.status) {
                    status = (xhr.status >= 200 && xhr.status < 300 || xhr.status === 304) ? 'success' : 'error'
                }
                if (status === 'success') {
                    if (s.success) {
                        s.success.call(s.context, data, 'success', xhr)
                    }
                    deferred.resolve(xhr.responseText, 'success', xhr);
                    if (g) {
                        $.event.trigger("ajaxSuccess", [xhr, s])
                    }
                } else if (status) {
                    if (errMsg === undefined) {
                        errMsg = xhr.statusText
                    }
                    if (s.error) {
                        s.error.call(s.context, xhr, status, errMsg)
                    }
                    deferred.reject(xhr, 'error', errMsg);
                    if (g) {
                        $.event.trigger("ajaxError", [xhr, s, errMsg])
                    }
                }
                if (g) {
                    $.event.trigger("ajaxComplete", [xhr, s])
                }
                if (g && !--$.active) {
                    $.event.trigger("ajaxStop")
                }
                if (s.complete) {
                    s.complete.call(s.context, xhr, status)
                }
                callbackProcessed = true;
                if (s.timeout) {
                    clearTimeout(timeoutHandle)
                }
                setTimeout(function () {
                    if (!s.iframeTarget) {
                        $io.remove()
                    } else {
                        $io.attr('src', s.iframeSrc)
                    }
                    xhr.responseXML = null
                }, 100)
            }

            var toXml = $.parseXML ||
                function (s, doc) {
                    if (window.ActiveXObject) {
                        doc = new ActiveXObject('Microsoft.XMLDOM');
                        doc.async = 'false';
                        doc.loadXML(s)
                    } else {
                        doc = (new DOMParser()).parseFromString(s, 'text/xml')
                    }
                    return (doc && doc.documentElement && doc.documentElement.nodeName != 'parsererror') ? doc : null
                };
            var parseJSON = $.parseJSON ||
                function (s) {
                    return window['eval']('(' + s + ')')
                };
            var httpData = function (xhr, type, s) {
                var ct = xhr.getResponseHeader('content-type') || '',
                    xml = type === 'xml' || !type && ct.indexOf('xml') >= 0,
                    data = xml ? xhr.responseXML : xhr.responseText;
                if (xml && data.documentElement.nodeName === 'parsererror') {
                    if ($.error) {
                        $.error('parsererror')
                    }
                }
                if (s && s.dataFilter) {
                    data = s.dataFilter(data, type)
                }
                if (typeof data === 'string') {
                    if (type === 'json' || !type && ct.indexOf('json') >= 0) {
                        data = parseJSON(data)
                    } else if (type === "script" || !type && ct.indexOf("javascript") >= 0) {
                        $.globalEval(data)
                    }
                }
                return data
            };
            return deferred
        }
    };
    $.fn.ajaxForm = function (options) {
        options = options || {};
        options.delegation = options.delegation && $.isFunction($.fn.on);
        if (!options.delegation && this.length === 0) {
            var o = {
                s: this.selector,
                c: this.context
            };
            if (!$.isReady && o.s) {
                log('DOM not ready, queuing ajaxForm');
                $(function () {
                    $(o.s, o.c).ajaxForm(options)
                });
                return this
            }
            log('terminating; zero elements found by selector' + ($.isReady ? '' : ' (DOM not ready)'));
            return this
        }
        if (options.delegation) {
            $(document).off('submit.form-plugin', this.selector, doAjaxSubmit).off('click.form-plugin', this.selector, captureSubmittingElement).on('submit.form-plugin', this.selector, options, doAjaxSubmit).on('click.form-plugin', this.selector, options, captureSubmittingElement);
            return this
        }
        return this.ajaxFormUnbind().bind('submit.form-plugin', options, doAjaxSubmit).bind('click.form-plugin', options, captureSubmittingElement)
    };

    function doAjaxSubmit(e) {
        var options = e.data;
        if (!e.isDefaultPrevented()) {
            e.preventDefault();
            $(e.target).ajaxSubmit(options)
        }
    }

    function captureSubmittingElement(e) {
        var target = e.target;
        var $el = $(target);
        if (!($el.is("[type=submit],[type=image]"))) {
            var t = $el.closest('[type=submit]');
            if (t.length === 0) {
                return
            }
            target = t[0]
        }
        var form = this;
        form.clk = target;
        if (target.type == 'image') {
            if (e.offsetX !== undefined) {
                form.clk_x = e.offsetX;
                form.clk_y = e.offsetY
            } else if (typeof $.fn.offset == 'function') {
                var offset = $el.offset();
                form.clk_x = e.pageX - offset.left;
                form.clk_y = e.pageY - offset.top
            } else {
                form.clk_x = e.pageX - target.offsetLeft;
                form.clk_y = e.pageY - target.offsetTop
            }
        }
        setTimeout(function () {
            form.clk = form.clk_x = form.clk_y = null
        }, 100)
    }

    $.fn.ajaxFormUnbind = function () {
        return this.unbind('submit.form-plugin click.form-plugin')
    };
    $.fn.formToArray = function (semantic, elements) {
        var a = [];
        if (this.length === 0) {
            return a
        }
        var form = this[0];
        var formId = this.attr('id');
        var els = semantic ? form.getElementsByTagName('*') : form.elements;
        var els2;
        if (els && !/MSIE [678]/.test(navigator.userAgent)) {
            els = $(els).get()
        }
        if (formId) {
            els2 = $(':input[form="' + formId + '"]').get();
            if (els2.length) {
                els = (els || []).concat(els2)
            }
        }
        if (!els || !els.length) {
            return a
        }
        var i, j, n, v, el, max, jmax;
        for (i = 0, max = els.length; i < max; i++) {
            el = els[i];
            n = el.name;
            if (!n || el.disabled) {
                continue
            }
            if (semantic && form.clk && el.type == "image") {
                if (form.clk == el) {
                    a.push({
                        name: n,
                        value: $(el).val(),
                        type: el.type
                    });
                    a.push({
                        name: n + '.x',
                        value: form.clk_x
                    }, {
                        name: n + '.y',
                        value: form.clk_y
                    })
                }
                continue
            }
            v = $.fieldValue(el, true);
            if (v && v.constructor == Array) {
                if (elements) {
                    elements.push(el)
                }
                for (j = 0, jmax = v.length; j < jmax; j++) {
                    a.push({
                        name: n,
                        value: v[j]
                    })
                }
            } else if (feature.fileapi && el.type == 'file') {
                if (elements) {
                    elements.push(el)
                }
                var files = el.files;
                if (files.length) {
                    for (j = 0; j < files.length; j++) {
                        a.push({
                            name: n,
                            value: files[j],
                            type: el.type
                        })
                    }
                } else {
                    a.push({
                        name: n,
                        value: '',
                        type: el.type
                    })
                }
            } else if (v !== null && typeof v != 'undefined') {
                if (elements) {
                    elements.push(el)
                }
                a.push({
                    name: n,
                    value: v,
                    type: el.type,
                    required: el.required
                })
            }
        }
        if (!semantic && form.clk) {
            var $input = $(form.clk),
                input = $input[0];
            n = input.name;
            if (n && !input.disabled && input.type == 'image') {
                a.push({
                    name: n,
                    value: $input.val()
                });
                a.push({
                    name: n + '.x',
                    value: form.clk_x
                }, {
                    name: n + '.y',
                    value: form.clk_y
                })
            }
        }
        return a
    };
    $.fn.formSerialize = function (semantic) {
        return $.param(this.formToArray(semantic))
    };
    $.fn.fieldSerialize = function (successful) {
        var a = [];
        this.each(function () {
            var n = this.name;
            if (!n) {
                return
            }
            var v = $.fieldValue(this, successful);
            if (v && v.constructor == Array) {
                for (var i = 0, max = v.length; i < max; i++) {
                    a.push({
                        name: n,
                        value: v[i]
                    })
                }
            } else if (v !== null && typeof v != 'undefined') {
                a.push({
                    name: this.name,
                    value: v
                })
            }
        });
        return $.param(a)
    };
    $.fn.fieldValue = function (successful) {
        for (var val = [], i = 0, max = this.length; i < max; i++) {
            var el = this[i];
            var v = $.fieldValue(el, successful);
            if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) {
                continue
            }
            if (v.constructor == Array) {
                $.merge(val, v)
            } else {
                val.push(v)
            }
        }
        return val
    };
    $.fieldValue = function (el, successful) {
        var n = el.name,
            t = el.type,
            tag = el.tagName.toLowerCase();
        if (successful === undefined) {
            successful = true
        }
        if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || (t == 'checkbox' || t == 'radio') && !el.checked || (t == 'submit' || t == 'image') && el.form && el.form.clk != el || tag == 'select' && el.selectedIndex == -1)) {
            return null
        }
        if (tag == 'select') {
            var index = el.selectedIndex;
            if (index < 0) {
                return null
            }
            var a = [],
                ops = el.options;
            var one = (t == 'select-one');
            var max = (one ? index + 1 : ops.length);
            for (var i = (one ? index : 0); i < max; i++) {
                var op = ops[i];
                if (op.selected) {
                    var v = op.value;
                    if (!v) {
                        v = (op.attributes && op.attributes.value && !(op.attributes.value.specified)) ? op.text : op.value
                    }
                    if (one) {
                        return v
                    }
                    a.push(v)
                }
            }
            return a
        }
        return $(el).val()
    };
    $.fn.clearForm = function (includeHidden) {
        return this.each(function () {
            $('input,select,textarea', this).clearFields(includeHidden)
        })
    };
    $.fn.clearFields = $.fn.clearInputs = function (includeHidden) {
        var re = /^(?:color|date|datetime|email|month|number|password|range|search|tel|text|time|url|week)$/i;
        return this.each(function () {
            var t = this.type,
                tag = this.tagName.toLowerCase();
            if (re.test(t) || tag == 'textarea') {
                this.value = ''
            } else if (t == 'checkbox' || t == 'radio') {
                this.checked = false
            } else if (tag == 'select') {
                this.selectedIndex = -1
            } else if (t == "file") {
                if (/MSIE/.test(navigator.userAgent)) {
                    $(this).replaceWith($(this).clone(true))
                } else {
                    $(this).val('')
                }
            } else if (includeHidden) {
                if ((includeHidden === true && /hidden/.test(t)) || (typeof includeHidden == 'string' && $(this).is(includeHidden))) {
                    this.value = ''
                }
            }
        })
    };
    $.fn.resetForm = function () {
        return this.each(function () {
            if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType)) {
                this.reset()
            }
        })
    };
    $.fn.enable = function (b) {
        if (b === undefined) {
            b = true
        }
        return this.each(function () {
            this.disabled = !b
        })
    };
    $.fn.selected = function (select) {
        if (select === undefined) {
            select = true
        }
        return this.each(function () {
            var t = this.type;
            if (t == 'checkbox' || t == 'radio') {
                this.checked = select
            } else if (this.tagName.toLowerCase() == 'option') {
                var $sel = $(this).parent('select');
                if (select && $sel[0] && $sel[0].type == 'select-one') {
                    $sel.find('option').selected(false)
                }
                this.selected = select
            }
        })
    };
    $.fn.ajaxSubmit.debug = false;

    function log() {
        if (!$.fn.ajaxSubmit.debug) {
            return
        }
        var msg = '[jquery.form] ' + Array.prototype.join.call(arguments, '');
        if (window.console && window.console.log) {
            window.console.log(msg)
        } else if (window.opera && window.opera.postError) {
            window.opera.postError(msg)
        }
    }
}));